<?php
/** 
 ** before_special_price 设置hot deal价格之前的产品特价
 ** before_special_price_date_from 设置hot deal价格之前的产品特价from时间
 ** before_special_price_date_to 设置hot deal价格之前的产品特价to时间
 ** 
 **/
$installer  = $this;

$installer->getConnection()->addColumn(
	$installer->getTable('multidealpro/deal'),
	'before_special_price',
	'DECIMAL(12,2) NULL'
);

$installer->getConnection()->addColumn(
	$installer->getTable('multidealpro/deal'),
	'before_special_price_date_from',
	'VARCHAR(30) NULL'
);

$installer->getConnection()->addColumn(
	$installer->getTable('multidealpro/deal'),
	'before_special_price_date_to',
	'VARCHAR(30) NULL'
);

$installer->endSetup(); 